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  1. #1
    Senior Member JasonJ's Avatar
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    2007 Salsa El Santo / 2004 Salsa La Raza / 1998 Gary Fisher Wahoo
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    E-type F/D and BB sizing

    So I've taken the plunge and I'm converting my 8-speed to a 9-speed (thank you, eBay). The big change means dumping my Alivio E-type F/D for a Deore top-swing and square-taper BB for an ISIS BB. But does dropping the E-type F/D mean that I need to decrease the BB width by the same amount? Or does the BB need to stay the same? And how am I supposed to pull the E-type F/D off? Thanks!

    Jason

  2. #2
    Senior Member sydney's Avatar
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    Quote Originally Posted by JasonJ
    So I've taken the plunge and I'm converting my 8-speed to a 9-speed (thank you, eBay). The big change means dumping my Alivio E-type F/D for a Deore top-swing and square-taper BB for an ISIS BB. But does dropping the E-type F/D mean that I need to decrease the BB width by the same amount? Or does the BB need to stay the same? And how am I supposed to pull the E-type F/D off? Thanks!

    Jason
    You buy the BB to match the crank and also give consideration to seattube size.Derailer comes off with the BB

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